ffmpeg.h
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- /*****************************************************************************
- * ffmpeg.h: decoder using the ffmpeg library
- *****************************************************************************
- * Copyright (C) 2001 VideoLAN
- * $Id: ffmpeg.h 8806 2004-09-26 13:39:00Z gbazin $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "codecs.h" /* BITMAPINFOHEADER */
- #if LIBAVCODEC_BUILD >= 4663
- # define LIBAVCODEC_PP
- #else
- # undef LIBAVCODEC_PP
- #endif
- struct picture_t;
- struct AVFrame;
- struct AVCodecContext;
- struct AVCodec;
- void E_(InitLibavcodec)( vlc_object_t * );
- int E_(GetFfmpegCodec) ( vlc_fourcc_t, int *, int *, char ** );
- int E_(GetVlcFourcc) ( int, int *, vlc_fourcc_t *, char ** );
- int E_(GetFfmpegChroma)( vlc_fourcc_t );
- vlc_fourcc_t E_(GetVlcChroma)( int );
- /* Video decoder module */
- int E_( InitVideoDec )( decoder_t *, AVCodecContext *, AVCodec *,
- int, char * );
- void E_( EndVideoDec ) ( decoder_t * );
- picture_t *E_( DecodeVideo ) ( decoder_t *, block_t ** );
- /* Audio decoder module */
- int E_( InitAudioDec )( decoder_t *, AVCodecContext *, AVCodec *,
- int, char * );
- void E_( EndAudioDec ) ( decoder_t * );
- aout_buffer_t *E_( DecodeAudio ) ( decoder_t *, block_t ** );
- /* Chroma conversion module */
- int E_(OpenChroma)( vlc_object_t * );
- void E_(CloseChroma)( vlc_object_t * );
- /* Video encoder module */
- int E_(OpenEncoder) ( vlc_object_t * );
- void E_(CloseEncoder)( vlc_object_t * );
- /* Audio encoder module */
- int E_(OpenAudioEncoder) ( vlc_object_t * );
- void E_(CloseAudioEncoder)( vlc_object_t * );
- /* Demux module */
- int E_(OpenDemux) ( vlc_object_t * );
- void E_(CloseDemux)( vlc_object_t * );
- /* Video filter module */
- int E_(OpenFilter)( vlc_object_t * );
- void E_(CloseFilter)( vlc_object_t * );
- int E_(OpenDeinterlace)( vlc_object_t * );
- void E_(CloseDeinterlace)( vlc_object_t * );
- /* Postprocessing module */
- void *E_(OpenPostproc)( decoder_t *, vlc_bool_t * );
- int E_(InitPostproc)( decoder_t *, void *, int, int, int );
- int E_(PostprocPict)( decoder_t *, void *, picture_t *, AVFrame * );
- void E_(ClosePostproc)( decoder_t *, void * );
- /*****************************************************************************
- * Module descriptor help strings
- *****************************************************************************/
- #define DR_TEXT N_("Direct rendering")
- #define ERROR_TEXT N_("Error resilience")
- #define ERROR_LONGTEXT N_(
- "ffmpeg can do error resilience.n"
- "However, with a buggy encoder (such as the ISO MPEG-4 encoder from M$) "
- "this can produce a lot of errors.n"
- "Valid values range from 0 to 4 (0 disables all errors resilience).")
- #define BUGS_TEXT N_("Workaround bugs")
- #define BUGS_LONGTEXT N_(
- "Try to fix some bugsn"
- "1 autodetectn"
- "2 old msmpeg4n"
- "4 xvid interlacedn"
- "8 ump4 n"
- "16 no paddingn"
- "32 ac vlcn"
- "64 Qpel chroma")
- #define HURRYUP_TEXT N_("Hurry up")
- #define HURRYUP_LONGTEXT N_(
- "Allow the decoder to partially decode or skip frame(s) "
- "when there is not enough time. It's useful with low CPU power "
- "but it can produce distorted pictures.")
- #define PP_Q_TEXT N_("Post processing quality")
- #define PP_Q_LONGTEXT N_(
- "Quality of post processing. Valid range is 0 to 6n"
- "Higher levels require considerable more CPU power, but produce "
- "better looking pictures." )
- #define DEBUG_TEXT N_( "Debug mask" )
- #define DEBUG_LONGTEXT N_( "Set ffmpeg debug mask" )
- #define VISMV_TEXT N_( "Visualize motion vectors" )
- #define VISMV_LONGTEXT N_( "Set motion vectors visualization mask.n"
- "1 - visualize forward predicted MVs of P framesn"
- "2 - visualize forward predicted MVs of B framesn"
- "4 - visualize backward predicted MVs of B frames" )
- #define LOWRES_TEXT N_( "Low resolution decoding" )
- #define LOWRES_LONGTEXT N_( "Will only decode a low resolution version of "
- "the video." )
- #define LIBAVCODEC_PP_TEXT N_("ffmpeg post processing filter chains")
- /* FIXME (cut/past from ffmpeg */
- #define LIBAVCODEC_PP_LONGTEXT
- "<filterName>[:<option>[:<option>...]][[,|/][-]<filterName>[:<option>...]]...n"
- "long form example:n"
- "vdeblock:autoq/hdeblock:autoq/linblenddeint default,-vdeblockn"
- "short form example:n"
- "vb:a/hb:a/lb de,-vbn"
- "more examples:n"
- "tn:64:128:256n"
- "Filters Optionsn"
- "short long name short long option Descriptionn"
- "* * a autoq cpu power dependant enablern"
- " c chrom chrominance filtring enabledn"
- " y nochrom chrominance filtring disabledn"
- "hb hdeblock (2 Threshold) horizontal deblocking filtern"
- " 1. difference factor: default=64, higher -> more deblockingn"
- " 2. flatness threshold: default=40, lower -> more deblockingn"
- " the h & v deblocking filters share thesen"
- " so u cant set different thresholds for h / vn"
- "vb vdeblock (2 Threshold) vertical deblocking filtern"
- "h1 x1hdeblock Experimental h deblock filter 1n"
- "v1 x1vdeblock Experimental v deblock filter 1n"
- "dr dering Deringing filtern"
- "al autolevels automatic brightness / contrastn"
- " f fullyrange stretch luminance to (0..255)n"
- "lb linblenddeint linear blend deinterlacern"
- "li linipoldeint linear interpolating deinterlacen"
- "ci cubicipoldeint cubic interpolating deinterlacern"
- "md mediandeint median deinterlacern"
- "fd ffmpegdeint ffmpeg deinterlacern"
- "de default hb:a,vb:a,dr:a,aln"
- "fa fast h1:a,v1:a,dr:a,aln"
- "tn tmpnoise (3 Thresholds) Temporal Noise Reducern"
- " 1. <= 2. <= 3. larger -> stronger filteringn"
- "fq forceQuant <quantizer> Force quantizern"
- /*
- * Encoder options
- */
- #define ENC_CFG_PREFIX "sout-ffmpeg-"
- #define ENC_KEYINT_TEXT N_( "Ratio of key frames" )
- #define ENC_KEYINT_LONGTEXT N_( "Allows you to specify the number of frames "
- "that will be coded for one key frame." )
- #define ENC_BFRAMES_TEXT N_( "Ratio of B frames" )
- #define ENC_BFRAMES_LONGTEXT N_( "Allows you to specify the number of "
- "B frames that will be coded between two reference frames." )
- #define ENC_VT_TEXT N_( "Video bitrate tolerance" )
- #define ENC_VT_LONGTEXT N_( "Allows you to specify the video bitrate "
- "tolerance in kbit/s." )
- #define ENC_INTERLACE_TEXT N_( "Enable interlaced encoding" )
- #define ENC_INTERLACE_LONGTEXT N_( "Allows you to enable dedicated "
- "algorithms for interlaced frames." )
- #define ENC_PRE_ME_TEXT N_( "Enable pre motion estimation" )
- #define ENC_PRE_ME_LONGTEXT N_( "Allows you to enable the pre motion "
- "estimation." )
- #define ENC_RC_STRICT_TEXT N_( "Enable strict rate control" )
- #define ENC_RC_STRICT_LONGTEXT N_( "Allows you to enable the strict rate "
- "control algorithm." )
- #define ENC_RC_BUF_TEXT N_( "Rate control buffer size" )
- #define ENC_RC_BUF_LONGTEXT N_( "Allows you to specify the rate control "
- "buffer size." )
- #define ENC_RC_BUF_AGGR_TEXT N_( "Rate control buffer aggressiveness" )
- #define ENC_RC_BUF_AGGR_LONGTEXT N_( "Allows you to specify the rate control "
- "buffer aggressiveness." )
- #define ENC_IQUANT_FACTOR_TEXT N_( "I quantization factor" )
- #define ENC_IQUANT_FACTOR_LONGTEXT N_( "Allows you to specify the "
- "quantization factor of I frames, compared with P frames (for instance "
- "1.0 => same qscale for I and P frames)." )
- #define ENC_NOISE_RED_TEXT N_( "Noise reduction" )
- #define ENC_NOISE_RED_LONGTEXT N_( "Allows you to enable a simple noise "
- "reduction algorithm to lower the encoding length and bitrate, at the "
- "expense of lower quality frames." )
- #define ENC_MPEG4_MATRIX_TEXT N_( "Enable MPEG4 quantization matrix" )
- #define ENC_MPEG4_MATRIX_LONGTEXT N_( "Allows you to use the MPEG4 "
- "quantization matrix for mpeg2 encoding. This generally yields a "
- "better looking picture, while still retaining the compatibility with "
- "standard MPEG-2 decoders.")
- #define ENC_HQ_TEXT N_( "Quality level" )
- #define ENC_HQ_LONGTEXT N_( "Allows you to specify the quality level "
- "for the encoding of motions vectors (this can slow down the encoding "
- "very much)." )
- #define ENC_HURRYUP_TEXT N_( "Hurry up" )
- #define ENC_HURRYUP_LONGTEXT N_( "Allows you to specify if the encoder "
- "should make on-the-fly quality tradeoffs if your CPU can't keep up with "
- "the encoding rate. It will disable trellis quantization, then the rate "
- "distortion of motion vectors (hq), and raise the noise reduction "
- "threshold to ease the encoder's task." )
- #define ENC_QMIN_TEXT N_( "Minimum video quantizer scale" )
- #define ENC_QMIN_LONGTEXT N_( "Allows you to specify the minimum video "
- "quantizer scale." )
- #define ENC_QMAX_TEXT N_( "Maximum video quantizer scale" )
- #define ENC_QMAX_LONGTEXT N_( "Allows you to specify the maximum video "
- "quantizer scale." )
- #define ENC_TRELLIS_TEXT N_( "Enable trellis quantization" )
- #define ENC_TRELLIS_LONGTEXT N_( "Allows you to enable trellis "
- "quantization (rate distortion for block coefficients)." )
- #define ENC_QSCALE_TEXT N_( "Use fixed video quantizer scale" )
- #define ENC_QSCALE_LONGTEXT N_( "Allows you to specify a fixed video "
- "quantizer scale for VBR encoding (accepted values: 0.01 to 255.0)." )
- #define ENC_STRICT_TEXT N_( "Strict standard compliance" )
- #define ENC_STRICT_LONGTEXT N_( "Allows you to force a strict standard "
- "compliance when encoding (accepted values: -1, 0, 1)." )